Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 82, NWS Springfield, MO

April 29, 2012Camden County, Dallas County, Hickory County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 29, 2012, 5:43 AM CDT for Camden County, Dallas County, Hickory County, Missouri. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 29, 2012, 5:43 AM CDT (10:43 UTC)
Expired: Apr 29, 2012, 6:15 AM CDT
In force: 32 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Camden County, MO, Dallas County, MO, Hickory County, MO

The radar

The Springfield radar (KSGF), 82 km from the middle of the area, began a volume at 10:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 10.7 hours before the alert went out and 132 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1804 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 927 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

733 
WUUS53 KSGF 291043
SVRSGF
MOC029-059-085-291115-
/O.NEW.KSGF.SV.W.0082.120429T1043Z-120429T1115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
543 AM CDT SUN APR 29 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CAMDEN COUNTY IN CENTRAL MISSOURI...
  NORTHERN DALLAS COUNTY IN SOUTHWEST MISSOURI...
  EASTERN HICKORY COUNTY IN CENTRAL MISSOURI...

* UNTIL 615 AM CDT

* AT 541 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
  OF URBANA...AND MOVING NORTHEAST AT 50 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
           DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  URBANA...MACKS CREEK...LOUISBURG...PUMPKIN CENTER...TUNAS...
  LEADMINE...BRANCH AND BARNUMTON.

THIS WARNING ALSO INCLUDES LAKE OF THE OZARKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3782 9286 3768 9317 3773 9318 3773 9319
      3804 9318 3807 9312 3806 9307 3809 9307
      3819 9282
TIME...MOT...LOC 1043Z 241DEG 42KT 3779 9319

HAIL...1.00IN
WIND...60 MPH

$$

SCHAUMANN

2 follow-up statements

327 
WWUS53 KSGF 291107
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
607 AM CDT SUN APR 29 2012

MOC029-059-085-291115-
/O.CON.KSGF.SV.W.0082.000000T0000Z-120429T1115Z/
CAMDEN MO-HICKORY MO-DALLAS MO-
607 AM CDT SUN APR 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
DALLAS...NORTHEASTERN HICKORY AND WESTERN CAMDEN COUNTIES UNTIL 615
AM CDT...

AT 604 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHWEST
OF MACKS CREEK...AND MOVING NORTHEAST AT 50 MPH.

HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
         DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
MACKS CREEK.

THIS WARNING ALSO INCLUDES LAKE OF THE OZARKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3813 9283 3785 9286 3778 9318 3803 9317
TIME...MOT...LOC 1107Z 241DEG 42KT 3792 9302

HAIL...1.00IN
WIND...60 MPH

$$

SCHAUMANN

287 
WWUS53 KSGF 291115
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
615 AM CDT SUN APR 29 2012

MOC029-059-085-291125-
/O.EXP.KSGF.SV.W.0082.000000T0000Z-120429T1115Z/
CAMDEN MO-HICKORY MO-DALLAS MO-
615 AM CDT SUN APR 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN DALLAS...NORTHEASTERN
HICKORY AND WESTERN CAMDEN COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3813 9283 3785 9286 3778 9318 3803 9317
TIME...MOT...LOC 1107Z 241DEG 42KT 3792 9302

$$

SCHAUMANN

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 4:18 AM CDT	Dense Fog Advisory	SGF	Camden, Dallas, Laclede, Maries, Miller, Morgan and 2 more	6 hr
Apr 29, 4:59 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	46 min
Apr 29, 5:08 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Hickory, Polk	52 min
Apr 29, 5:25 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, St. Clair, Vernon	50 min
Apr 29, 5:58 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade	62 min
Apr 29, 6:35 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Hickory	40 min
Apr 29, 6:47 AM CDT	Severe Thunderstorm Warning	SGF	Polk	27 min
Apr 29, 7:20 AM CDT	Special Weather Statement	SGF	Dade	40 min
Apr 29, 7:26 AM CDT	Special Weather Statement	SGF	Miller	49 min
Apr 29, 8:14 AM CDT	Areal Flood Advisory	SGF	Barton, Camden, Cedar, Dade, Dallas, Hickory and 1 more	6 hr
Apr 29, 8:33 AM CDT	Flash Flood Warning	SGF	Camden, Dallas, Hickory, Polk	5 hr
Apr 29, 8:38 AM CDT	Special Weather Statement	SGF	Greene	37 min
Apr 29, 9:07 AM CDT	Special Weather Statement	SGF	Dallas	23 min
Apr 29, 9:32 AM CDT	Special Weather Statement	SGF	Laclede	28 min
Apr 29, 2:53 PM CDT	Flash Flood Watch	SGF	Barry, Barton, Benton, Camden, Cedar, Dade and 15 more	40 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.